September 6,

Sep 04, In your case, since your hydrangea tree is overgrown and the branches already bend under their own weight, it would be wise to prune it before winter. If not, there is a risk that they snap off in snowy or icy weather, so, in October or November, simply cut all branches back to about 6 to 8 inches (15 to 20 cm) from the top of the trunk. Mar 25, Hydrangeas are one of the most popular blooming woody shrubs in Minnesota landscapes and, as you’d expect, people often ask how and when to prune these beloved shrubs.

Prune back stems to just above a fat bud - called a heading cut - in fall, late winter or spring.

Heading cuts redirect growth or shorten small branches. The high point of a heading cut should be about 1/4" above a bud. Hydrangea paniculata, panicle hydrangea. Prune your Hydrangea paniculata tree in the early spring before new, visible growth begins to emerge.

This can also be done in very late winter in warmer areas, after the last hard frost. Step 2 Cut away any spent flowers that have remained on the tree over the winter with pruning shears.

This plant flowers on old wood grown during the previous season.

Jul 22, Pruning. This plant can be trained to grow as a small tree by judicious pruning. But it achieves its best form when grown as a large shrub with multiple stems. Blooms occur on the current season’s growth (new wood), so prune as needed in the late winter to early bushremover.barcal Name: Hydrangea paniculata.